> From: Henry Rich <[email protected]>

> 
> I want to do a demo showing a spline and control-point grid on the same 
> plot.  This means I want the surface plots to be vectors only, without 
> filling the interiors of the polygons.  Is there some option to cause 
> plot to use a transparent brush for the polygon interiors?

It is hard to visualize what you want: 2D or 3D plot etc.
A sketch you help.

>From what I gather, you might want to try a combination
of sticks and 3D curves. In other words to emulate the
3D mesh with curves, then it will be naturally transparent.


      
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